/*
 *  Copyright 2008-2010 the original author or authors.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */
package org.openaecfm.spf.io.externalreference;

import org.openaecfm.model.externalreference.ExternalReference;
import org.openaecfm.model.externalreference.ExternalReferenceRelationship;
import org.openaecfm.model.externalreference.ResourceLevelRelationship;
import org.openaecfm.spf.io.AbstractEntityInstanceInputImpl;
import org.openaecfm.spf.io.IAppDataManager;
import org.openaecfm.spf.io.IEntityInstanceOutput;
import org.openaecfm.spf.io.IEntityInstanceUtilInput;
import org.openaecfm.spf.io.IEntityInstanceUtilOutput;
import org.openaecfm.spf.model.EntityInstance;
import org.openaecfm.spf.model.EntityInstanceNameParameter;
import org.openaecfm.spf.model.ListParameter;
import org.openaecfm.spf.model.Parameter;
import org.openaecfm.spf.model.SimpleEntityInstance;
import org.openaecfm.service.externalreference.IExternalReferenceRelationshipManager;

public final class ExternalReferenceRelationshipIO extends
		AbstractEntityInstanceInputImpl<ExternalReferenceRelationship>
		implements IEntityInstanceOutput<ExternalReferenceRelationship> {

	private IEntityInstanceUtilOutput<ResourceLevelRelationship> utilOutput;
	private IEntityInstanceUtilInput<ResourceLevelRelationship> utilInput;
	private IExternalReferenceRelationshipManager manager;

	public void setManager(IExternalReferenceRelationshipManager manager) {
		this.manager = manager;
	}

	public void setUtilOutput(
			IEntityInstanceUtilOutput<ResourceLevelRelationship> utilOutput) {
		this.utilOutput = utilOutput;
	}

	public void setUtilInput(
			IEntityInstanceUtilInput<ResourceLevelRelationship> utilInput) {
		this.utilInput = utilInput;
	}

	@Override
	public String exportSPF(ExternalReferenceRelationship pojo,
			IAppDataManager appDataManager) {
		SimpleEntityInstance ei = new SimpleEntityInstance(
				"IFCEXTERNALREFERENCERELATIONSHIP",
				appDataManager.getName(pojo));

		utilOutput.exportSPF(pojo, ei, appDataManager);

		// Set RelatingReference
		ei.addParameter(new EntityInstanceNameParameter(appDataManager
				.getName(pojo.getRelatingReference())));

		// Set RelatedResourceObjects
		ListParameter relatedResourcedObjects = new ListParameter();
		for (Object o : pojo.getRelatedResourceObjects()) {
			relatedResourcedObjects.add(new EntityInstanceNameParameter(
					appDataManager.getName(o)));
		}
		ei.addParameter(relatedResourcedObjects);

		return ei.toString();
	}

	@Override
	public void resolveReferenceParameter(EntityInstance ei,
			ExternalReferenceRelationship pojo, IAppDataManager appDataManager) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set RelatingReference
		EntityInstanceNameParameter relatingReference = (EntityInstanceNameParameter) sei
				.getParameter(2);
		manager.setRelatingReference(pojo, (ExternalReference) appDataManager
				.getObject(relatingReference.toInstanceName()));

		// Set RelatedResourceObjects
		ListParameter relatedResourceObjects = (ListParameter) sei
				.getParameter(3);
		for (Parameter p : relatedResourceObjects) {
			EntityInstanceNameParameter e = (EntityInstanceNameParameter) p;
			manager.addRelatedResourceObject(pojo,
					appDataManager.getObject(e.toInstanceName()));
		}
	}

	@Override
	protected ExternalReferenceRelationship doCreateObject() {
		return new ExternalReferenceRelationship();
	}

	@Override
	protected void resolveNotReferenceParameter(EntityInstance ei,
			ExternalReferenceRelationship pojo) {
		utilInput.resolveNotReferenceParameter(ei, pojo);
	}
}
